CN215637599U

CN215637599U - Flying wing type heat exchanger connecting assembly and heat exchanger structure formed by same

Info

Publication number: CN215637599U
Application number: CN202121172923.7U
Authority: CN
Inventors: 刘士群; 张金广
Original assignee: Jiangsu Shanyuan Thermal Technology Co ltd
Current assignee: Jiangsu Shanyuan Thermal Technology Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-01-25
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a flying-wing type heat exchanger connecting assembly and a heat exchanger structure formed by the same, wherein the flying-wing type heat exchanger connecting assembly comprises a radiating pipe, a conversion joint and a connecting bent pipe; shoveled fins are arranged on the upper surface and the lower surface of the radiating pipe, and a flow channel is arranged in the radiating pipe; the conversion joint comprises a flat pipe section and a circular pipe section, the flat pipe section and the circular pipe section are of an integrated structure, and the interiors of the flat pipe section and the circular pipe section are communicated; the outer port of the flat pipe section is a rectangular port and is used for being spliced with the port of the radiating pipe, and the outer port of the round pipe section is used for being spliced with the connecting bent pipe. The heat radiating pipe, the adapter and the connecting bent pipe can be conveniently connected and combined to form heat exchanger structures with different specifications, and the heat exchanger structure is simple in structure and convenient to assemble. The radiating fins on the radiating pipe are formed by shoveling the outer wall of the radiating pipe by using a shovel blade, so that the thermal contact resistance is thoroughly eliminated, the radiating performance is greatly improved, and the radiating effect of the fins can be increased by making the fins into a wavy shape.

Description

Flying wing type heat exchanger connecting assembly and heat exchanger structure formed by same

Technical Field

The utility model belongs to the technical field of heat dissipation devices, and particularly relates to a connecting assembly of a flying-wing type heat exchanger and a heat exchanger structure formed by the connecting assembly.

Background

At present, most of household air conditioner condensers are of a tube sheet type structure, radiating fins are arranged on heat transfer tubes, the heat transfer tubes are copper tubes, the fins are aluminum fins, the heat transfer tubes are connected with the fins through expansion tubes, bent tubes and straight heat transfer tubes penetrating the fins are connected together through brazing at the two ends of the condenser to form a sealing flow channel, a refrigerant enters through an inlet main tube and flows out through an outlet main tube, and heat exchange between the refrigerant and air is achieved.

The tube expansion type radiator needs to be made into a square shape due to process limitation, is suitable for inserting a tube expansion head into a copper tube to enable the copper tube and fins to be in tension contact, and meanwhile, due to thermal contact resistance, the heat transfer performance is greatly reduced. Moreover, the existing radiator is inconvenient to assemble and poor in expandability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a flying wing type heat exchanger connecting assembly and a heat exchanger structure formed by the same.

The utility model is realized by the following technical scheme:

a connecting assembly of a flying-wing type heat exchanger comprises a radiating pipe, a conversion joint and a connecting bent pipe;

the radiating pipe is a square flat pipe with a rectangular section, and the upper surface and the lower surface of the radiating pipe are provided with shoveled fins which are arranged at equal intervals along the length direction of the radiating pipe; the fins and the radiating pipes are of an integrated structure; a flow channel is arranged in the heat dissipation pipe;

the conversion joint comprises a flat pipe section and a circular pipe section, the flat pipe section and the circular pipe section are of an integrated structure, and the interiors of the flat pipe section and the circular pipe section are communicated; the outer port of the flat pipe section is a rectangular port and is used for being spliced with the port of the radiating pipe, and the outer port of the round pipe section is used for being spliced with the connecting bent pipe.

In the above technical solution, the connection elbow is a U-shaped pipe, and an end of the connection elbow is used for being inserted into the circular pipe section of the adapter.

In the above technical solution, the fins are tilted thin sheet metal pieces formed by scraping the outer wall of the heat dissipation tube with a scraper.

In the above technical scheme, the number of the flow passages in the radiating pipe is a plurality, and the flow passages are arranged at intervals along the width direction of the radiating pipe.

In the technical scheme, the fins are wavy, namely the fins are provided with a plurality of continuous curved surfaces, and the heat dissipation effect of the fins can be improved by making the fins wavy.

In the above technical solution, the included angle between the fin and the heat dissipation pipe is preferably 50-89 degrees.

In the technical scheme, a circle of positioning steps are arranged on the inner wall of the outer port of the flat pipe section and used for limiting the insertion position of the radiating pipe; the inner edge of the outer port of the flat pipe section is provided with an arc chamfer, so that the radiating pipe can be conveniently inserted into the flat pipe section.

In the technical scheme, the inner wall of the outer port of the circular pipe section is provided with a circle of positioning ladder for limiting the insertion position of the connecting elbow, and the inner edge of the outer port of the circular pipe section is provided with the arc chamfer so as to facilitate the insertion of the connecting elbow into the circular pipe section.

Adopt a heat exchanger structure that above-mentioned subassembly constitutes: a plurality of cooling tubes are parallel to each other and are arranged side by side, the two ends of each cooling tube are respectively connected with a conversion joint, and the conversion joints at the same side of two adjacent cooling tubes are connected through a connecting bent pipe.

In the above technical solution, it is necessary to leave one port of each of the two radiating pipes located at the outermost side not connected to the connection elbow, thereby serving as the inlet/outlet of the heat exchanger.

The utility model has the advantages and beneficial effects that:

1. the heat radiating pipe, the adapter and the connecting bent pipe can be conveniently connected and combined to form heat exchanger structures with different specifications, and the heat exchanger structure is simple in structure, convenient to assemble and extensible.

2. The radiating fins on the radiating pipe are formed by shoveling the outer wall of the radiating pipe by using a shovel blade, so that the contact thermal resistance is thoroughly eliminated, the radiating performance is greatly improved, and the radiating effect of the fins can be improved by making the fins into a wavy shape.

3. The inner wall of the outer port of the flat pipe section of the adapter is provided with a circle of positioning steps for limiting the insertion position of the radiating pipe; the inner edge of the outer port of the flat pipe section is provided with an arc chamfer, so that the radiating pipe can be conveniently inserted into the flat pipe section. The inner wall of the outer port of the circular pipe section of the adapter is also provided with a circle of positioning ladder for limiting the insertion position of the connecting elbow, and the inner edge of the outer port of the circular pipe section is also provided with an arc chamfer so as to facilitate the insertion of the connecting elbow into the circular pipe section.

Drawings

Fig. 1 is a schematic view of a connection structure of a flying wing type heat exchanger connection assembly of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a structural view of a radiating pipe in the present invention.

Fig. 4 is a structural view of the adapter of the present invention.

Wherein:

1: radiating pipe, 2: crossover sub, 3: and connecting the bent pipe.

For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to specific examples.

Example one

Referring to fig. 1-4, a connection assembly for a flying wing type heat exchanger comprises a heat dissipation pipe 1, a conversion joint 2 and a connection bent pipe 3.

The structure of the radiating pipe 1 is as follows: referring to the attached drawing 3, the radiating pipe is a square flat pipe with a rectangular section, and the upper and lower surfaces of the radiating pipe are provided with shoveled fins 1-1 which are arranged at equal intervals along the length direction of the radiating pipe; the fin and the radiating pipe are of an integrated structure, and the fin is a raised sheet metal sheet formed by scraping on the outer wall of the radiating pipe by using a scraper knife; the radiating pipe is internally provided with 1-2 flow passages, preferably, the number of the flow passages in the radiating pipe is 3-6, and the flow passages are arranged at intervals along the width direction of the radiating pipe. Furthermore, the fins are wavy, namely, the fins are provided with a plurality of continuous curved surfaces, and the heat dissipation effect of the fins can be improved by making the fins wavy. Further, the angle between the fins and the radiating pipe is preferably 50-89 degrees.

The structure of the adapter 2 is as follows: referring to the attached figure 4, the conversion joint 2 comprises a flat pipe section 2-1 and a circular pipe section 2-2, the flat pipe section and the circular pipe section are of an integrated structure, and the flat pipe section 2-1 is communicated with the interior of the circular pipe section 2-2; the outer port of the flat pipe section is a rectangular port and is used for being plugged with the port of the radiating pipe 1, and the outer port of the round pipe section is used for being plugged with the connecting bent pipe 3. Furthermore, a circle of positioning steps 2-11 are arranged on the inner wall of the outer port of the flat pipe section 2-1 and used for limiting the insertion position of the radiating pipe 1; furthermore, the inner edge of the outer port of the flat pipe section 2-1 is provided with an arc chamfer 2-12, so that the radiating pipe 1 can be conveniently inserted into the flat pipe section 2-1. Similarly, the inner wall of the outer port of the circular pipe section 2-2 is also provided with a circle of positioning steps for limiting the insertion position of the connecting bent pipe 3, and the inner edge of the outer port of the circular pipe section 2-2 is also provided with an arc chamfer so as to facilitate the insertion of the connecting bent pipe 3 into the circular pipe section 2-2.

The connecting bent pipe 3 is a U-shaped pipe, and the end part of the connecting bent pipe 3 can be inserted into the round pipe section 2-2 of the adapter 2.

Example two

Adopt a heat exchanger structure that the above-mentioned subassembly (cooling tube 1, crossover sub 2 and connecting bend 3) constitutes: referring to fig. 1, a plurality of radiating pipes 1 are arranged in parallel and side by side, two ends of each radiating pipe 1 are respectively connected with a crossover sub 2, and the crossover sub 2 on the same side of two adjacent radiating pipes 1 are connected by a connecting bent pipe 3. Further, it is required to leave one port of each of the two radiating pipes 1 located at the outermost side (i.e., the uppermost and lowermost radiating pipes in fig. 2) not connected to the connection elbow 3, thereby serving as an inlet/outlet port of the heat exchanger.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The utility model has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the utility model fall within the scope of the utility model.

Claims

1. The utility model provides a flying wing formula heat exchanger coupling assembling which characterized in that: comprises a radiating pipe, a conversion joint and a connecting bent pipe;

2. The flying wing heat exchanger connection assembly of claim 1, wherein: the connecting bent pipe is a U-shaped pipe, and the end part of the connecting bent pipe is inserted into the circular pipe section of the adapter.

3. The flying wing heat exchanger connection assembly of claim 1, wherein: the fins are raised sheet metal pieces formed by scraping the outer wall of the radiating pipe by a scraper knife.

4. The flying wing heat exchanger connection assembly of claim 1, wherein: the number of the flow channels in the heat dissipation pipe is 3-6.

5. The flying wing heat exchanger connection assembly of claim 1, wherein: the flow channels in the radiating pipe are in a plurality and are arranged at intervals along the width direction of the radiating pipe.

6. The flying wing heat exchanger connection assembly of claim 1, wherein: the fins are wavy.

7. The flying wing heat exchanger connection assembly of claim 1, wherein: the included angle between the fins and the radiating pipe is 50-89 degrees.

8. The flying wing heat exchanger connection assembly of claim 1, wherein: a circle of positioning ladder is arranged on the inner wall of the outer port of the flat pipe section and used for limiting the insertion position of the radiating pipe; the inner edge of the outer port of the flat pipe section is provided with an arc chamfer.

9. The flying wing heat exchanger connection assembly of claim 1, wherein: the inner wall of the outer port of the circular pipe section is provided with a circle of positioning ladder for limiting the insertion position of the connecting bent pipe, and the inner edge of the outer port of the circular pipe section is provided with an arc chamfer.

10. A heat exchanger construction incorporating a connecting assembly according to any one of claims 1 to 9, wherein: a plurality of cooling tubes are parallel to each other and are arranged side by side, the two ends of each cooling tube are respectively connected with a conversion joint, and the conversion joints at the same side of two adjacent cooling tubes are connected through a connecting bent pipe.